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A&P Lab Test 3
| Question | Answer |
|---|---|
| Two pairs of vocal folds are found in the larynx. Which pair are true vocal cords | Inferior vocal cords |
| What forms the adams apple | thyroid cartilage |
| What is shaped like a signet ring | Crichoid |
| What is the lid of the larynx | Epiglotis |
| What forms the vocal cord attachment | Arytenoid Cartilage |
| What is the significance of the fact that the human trachea is reinforced with cartilaginous rings? | To prevent collapse and Protection |
| Why are the rings incomplete posteriorly | To allow food to pass (swallowing) |
| What is the function of pleural membranes | Reduce friction and long longs in the thorax |
| What are the two functions of the nasal mucosa | Warm and moisten |
| Which of the primary bronchi is longer | The left |
| Which primary bronchi is larger in diameter | The right |
| Which primary bronchi is more horizontal | The left |
| Which primary bronchi commonly traps foreign objects that has entered the respiratory pathways | The right |
| Connects the larynx to the primary bronchi | trachea |
| site of tonsils | pharynx |
| food passage posterior to the trachea | esophagus |
| covers the glottis during swallowing of food | epiglottis |
| contain the vocal cords | larynx |
| nerve that activates the diaphragm during inspiration | phrenic nerve |
| pleural layer lining the walls of the thorax | parietal pleura |
| site from which oxygen enters the pulmonary blood | alveolus |
| connects the middle ear to the nasopharynx | pharyngotympanic tube |
| opening between the vocal folds | glottis |
| increase air turbulence in the nasal cavity | conchae |
| separates the oral cavity from the nasal | palate |
| What portions of the respiratory system are referred to as anatomical dead space | Conducting zone |
| Why are conducting zones considered anatomical dead space | because there is no gas exchange |
| External respiration | Exchange of gas across a respiratory membrane |
| Internal respiration | exchange of gases between systemic blood and tissue cells |
| Cellular respiration | Cells use oxygen and release carbon dioxide |
| Mucosa | Sub Layers - Epithelium, lamena propia, muscularis. Major functions - Absorption & Secretion. |
| Submucosa | Major Functions - Vascular Supply to Mucos protect |
| Muscularis Externa | Sub Division - Circlar Layers Logitudenal Major Functions - Churning |
| Serosa or Adventitia | Major functions - Protection Reducing Friction |
| The tubelike digestive system canal that extend |
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